文献类型： 外文期刊
第一作者： Liu, Xiao-Lan
作者： Liu, Xiao-Lan;Sun, Long-Long;Wang, Ya-Nan;Xie, Gui-Ying;Chen, Wen-Bo;An, Shi-Heng;Yin, Xin-Ming;Zhao, Xin-Cheng;Liu, Xiao-Lan;Liu, Yang;Wang, Gui-Rong;Chu, Xi
作者机构：
关键词： intracellular recording; retrograde filling; macroglomerular complex; olfactory sensory neuron; single sensillum recording; anterograde filling
期刊名称：INSECT SCIENCE （ 影响因子：3.605； 五年影响因子：3.323 ）
ISSN： 1672-9609
年卷期：
页码：
收录情况： SCI
摘要： The mechanism of sex pheromone reception in the male cotton bollworm Helicoverpa armigera has been extensively studied because it has become an important model system for understanding insect olfaction. However, the pathways of pheromone processing from the antenna to the primary olfactory center in H. armigera have not yet been clarified. Here, the physiology and morphology of male H. armigera olfactory sensory neurons (OSNs) were studied using single sensillum recording along with anterograde filling and intracellular recording with retrograde filling. OSNs localized in type A sensilla responded to the major pheromone component cis-11-hexadecenal, and the axonal terminals projected to the cumulus (Cu) of the macroglomerular complex (MGC). The OSNs in type B sensilla responded to the behavioral antagonist cis-9-tetradecenal, and the axonal terminals projected to the dorsomedial anterior (DMA) unit of the MGC. In type C sensilla, there were 2 OSNs: one that responded to cis-9-tetradecenal and cis-11-hexadecenol with the axonal terminals projecting to the DMA, and another that responded to the secondary pheromone components cis-9-hexadecenal and cis-9-tetradecenal with the axonal terminals projecting to the dorsomedial posterior (DMP) unit of the MGC. Type A and type B sensilla also housed the secondary OSNs, which were silent neurons with axonal terminals projected to the glomerulus G49 and DMP. Overall, the neural pathways that carry information on attractiveness and aversiveness in response to female pheromone components in H. armigera exhibit distinct projections to the MGC units.
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